Home / 773,286.40-1,159,929.60-692,185.60

Finding the Fourth Proportional to 773,286.40, 1,159,929.60 and 692,185.60

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Solution

The fourth proportional to 773,286.40, 1,159,929.60 and 692,185.60 is: 1,038,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,286.40 : 1,159,929.60 = 692,185.60 : x
  2. Step 2: Convert to fraction form
    773,286.40/1,159,929.60 = 692,185.60/x
  3. Step 3: Cross multiply
    773,286.40x = 1,159,929.60 × 692,185.60
  4. Step 4: Simplify right side
    773,286.40x = 802,886,566,133.76
  5. Step 5: Solve for x
    x = 802,886,566,133.76/773,286.40
  6. Step 6: Final answer
    x = 1,038,278.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.